Mass storage is typically the bottleneck in just about every system. So, how do we reduce this bottleneck? We do this by providing an SSD now as standard equipment. That means Windows will load in seconds, not minutes. Anything that is disk-intensive will be much faster as SSDs are so much faster than regular hard drives. Also, SSDs rarely fail. So, your data is safer on an SSD.The power supply has Over Temperature Protection / Over Current Protection / Over Voltage Protection / Power Protection, Under Voltage Protection, and Short Circuit Protection.